Jim M 75 Pre Amplifier

  

M75 radio scanner pre-amp with variable gain control and band pass filters to minimise interference. With a BNC Plug on one end and BNC socket on the other, the unit will fit on top of a handheld radio scanner or in line for use with a base receiver. Fitted band pass filters for much improved performance. Can be powered by its internal battery (1 x PP3 9v type) or from 12v dc.

Frequency Range : 24Mhz to 2150 Mhz. B Band 108 - 185Mhz.

C Band 24 - 2150Mhz. Variable gain : -10dB to + 20dB. Power :12V DC or internal PP3 battery (not supplied). Current Consumption - approx 45mA. Size : 95 x 50 x 33mm. Just took the battery out of house fire alarm and put it in this and switched on to take pic.